CN2618121Y

CN2618121Y - Movable rotary cereal drier

Info

Publication number: CN2618121Y
Application number: CN 03226851
Authority: CN
Inventors: 刘新超
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-01-28
Filing date: 2003-01-28
Publication date: 2004-05-26
Anticipated expiration: 2013-01-28

Abstract

The utility model discloses a mobile food rotary dryer which is characterized in that a hot stove (2) is arranged under the base (1); a rotary drum drying oven (3) and the gearing (4) are positioned on the top of the base (1); a plurality of holes (5) and a temperature and humidity sensor (6) are uniformly arranged on the wall of the rotary drum drying oven (3) plus. A heat exchanger (7) is also positioned between the rotary drum drying oven (3) and the hot stove (2) which has a wind entrance (8) and a tuyere (9) to the rotary drum drying oven (3), and a thermometer (10) is positioned at the tuyere (9) of the heat exchanger (7). The utility model is available in the rural area with high productivity, low cracked rice percent and high intact rice rate.

Description

A kind of moveable grain rotary drying machine

Technical field

The utility model relates to a kind of moveable grain rotary drying machine.

Background technology

At present, the processing of the drying of agricultural products in China is still to ted naturally.The mode of production of this backwardness, not only cereal is long drying time, and is subjected to having a strong impact on and restricting of climate change.Particularly those are close to the rural area of highways, and a lot of peasants directly shine cereal on highway, have both influenced traffic safety, make cereal be subjected to dust, wind sand and various contamination by micro again.Simultaneously, the application of agricultural combine is promoted rapidly, is popularized, and also presses for the grain heat-drying airing problem that solution adapts with it.Though China relevant department studies and designs the dry problem of cereal at present, only limits to large granary and deposits use, and be applicable to that the small-sized grain drying device in rural area is still blank so far.Rice drying is different from the drying of other grains, and it is a kind of thermal sensitivity crop, and its rate of drying is too fast or the parameter selection is improper, then is easy to generate quick-fried waist, rice milling yield when just directly influencing husk rice and economic benefit.In addition, paddy is made of the hard shell and the grain of rice, and shell both shielded to the grain of rice, prevents the outside diffusion into the surface of seed internal moisture again, so paddy is a kind of difficult dry material.

The utility model content

Technical problem to be solved in the utility model provide a kind of be applicable to the rural area, productivity ratio height and percent cracked rice is low and head rice yield is high small-sized moveable grain rotary drying machine.

In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: be provided with hot-blast stove in the support bottom, be provided with rotary drying case and transmission device thereof at upper part of the frame, described rotary drying case barrel evenly has some small sircle holes, and is provided with temperature, humidity sensor; Between described rotary drying case and described hot-blast stove, be provided with heat exchanger, and described heat exchanger is provided with air channel inlet and leads to the air outlet of described rotary drying case, be provided with temperature inductor at the air outlet of described heat exchanger.

As a kind of improvement of the present utility model, on support, be provided with wheel.

As further improvement of the utility model, the air outlet level of described heat exchanger is led to described rotary drying case.

As further improvement of the utility model, be provided with primary blades and back blades at described rotary drying chamber interior wall, and primary blades and tubular axis are at 45, back blades becomes 40 ° with tubular axis.

Adopt dryer of the present utility model, integrate combustion chamber, heater, dryer, take clockwise oven dry, tempering, the technology of carrying out is intersected in dry and tempering, oven dry is not subjected to the influence of raw grain moisture, and fuel source is extensive, can adopt coal, electricity, biogas, also can adopt harvested straw, its characteristics are as follows: 1, drying drum adopts horizontal centrifugal fluidization bed structure, adopts half-angle air intake mode, that is the cross-flow type drying, the productivity ratio height, rate of drying is fast; 2, easy to use, can hang and drag behind tractor, agricultural vehicle, move with harvester or oven dry place; 3, the cereal circulation is fast, adopt higher wind-warm syndrome, and unlikely grain temperature is too high, and uniform drying, mixes; 4, drying machine adopts single flow hot blast heat exchanger, compact conformation, and floor space is little, and hot-air is evenly distributed, because the indirect technology that the body of heater high temperature position carries out heat exchange, flue gas and air are respectively walked its road, heat pollution-free, thermal efficiency height, quick heating, long service life; 5, adopt clockwise drying, tempering, dry and tempering is carried out in same machine on the contrary, meets grain drying and rule, helps guaranteeing the quality of grain; 6, short dryer section and the cereal of this machine utilization circulates at a high speed, and fuselage reduces greatly, simultaneously, adopts circulation in the cereal, save huge elevator, therefore, under identical productivity ratio and precipitation range condition, this machine weight is light, small, both be convenient to carrying, save steel again; 7, discharging at a high speed, charging is convenient, even drying machine is a batch operation, also average efficiency height; 8, grain is in continuous mixing and flow regime all the time, uniform drying, and water evaporates speed is fast; 9, oven dry is not subjected to the raw grain moisture effects, many some times of circulation when moisture is high; 10, suitably install or reequip parts additional, just can carry out selection by winnowing and screening operation.

In sum, the utility model is a kind of rural area, productivity ratio height and small-sized moveable grain rotary drying machine that percent cracked rice is low and head rice yield is high of being applicable to.

Description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is the axial cutaway view of the utility model rotary drying case.

The specific embodiment

Referring to Fig. 1, Fig. 2 and Fig. 3, be provided with hot-blast stove 2 in support 1 bottom, be provided with rotary drying case 3 and transmission device 4 thereof on support 1 top, described rotary drying case 3 barrels evenly have some small sircle holes 5, and are provided with temperature, humidity sensor 6; Between described rotary drying case 3 and described hot-blast stove 2, be provided with heat exchanger 7, and described heat exchanger 7 is provided with air channel inlet 8 and leads to the air outlet 9 of described rotary drying case 3, be provided with temperature inductor 10 at the air outlet 9 of described heat exchanger 7.

Revolving drier 3 is made up of dryer drums, support roller and transmission system etc., dryer drums is actual to be horizontal centrifugal fluidization bed structure, adopt the biconial cylinder, cylindrical wall evenly has some small sircle holes 5, the tube inwall is welded with two pairs of stirring

vanes

12,13, wherein primary blades 12 and the welding at 45 of cylindrical shell 3 axis, and back blades 13 becomes 40 ° of welding with cylindrical shell 3 axis, take half-angle air intake mode, that is the cross-flow type drying; During air intake, hot blast feeds along rotating cylinder 3 is radially one-sided, discharges from opposite side, promptly gives the wind side at windward side, and bed is subjected to opposite centrifugal force of direction and wind-force effect, and fluidisation is even, and the interface is clear; The centrifugal force that air draft side, material are subjected to is identical with the wind force direction, all presses to barrel, so become fixed bed, because gas passes through bed twice, so the thermal efficiency increases.But, owing to be subjected to the influence of major and

minor blade

12,13, in rotation process, material is promptly taken up by

blade

12,13, freely leaves again subsequently, make axial flow along the gradient of

blade

12,13 again, thereby strengthened the mixing effect of material, thus make material be in continuous mixing and flow regime all the time, accelerated rate of drying, so uniform drying, water evaporates speed is fast.Rotating cylinder charging aperture 16, locate elastic caoutchouc switch 17,18 to be housed, can prevent that material from splashing outside feed inlet and

outlet

16,14, prevent that simultaneously hot blast from leaking from feed inlet and

outlet

16,14 with discharging opening 14 places.

Rotating cylinder discharging opening 14 1 ends are welded with a pair of tablet 15 that goes out, and behind the good material of drying, when changing rotating cylinder 3 direction of rotation, material just can draw off through discharge blade 15.

Rotating cylinder 3 outer walls are equipped with spring gripping mechanism 19,20 changes screen cloth work, changes screen cloth, and dryer can carry out screening operation again.

Discharging opening 14 places put the air-introduced machine fan housing, just can carry out selection by winnowing work.

Rotating cylinder 3 is placed on four rubber riding wheels, and wherein two rubber riding wheels are driving wheels, drives the rotating cylinder rotation by its frictional force.

Single flow hot-blast stove heat exchanger is to integrate burning and heat exchange, and with the indirect technology that the body of heater high temperature position carries out heat exchange, flue gas and air are respectively walked its road, heat pollution-freely, the thermal efficiency is up to 60～70%, quick heating, volume is little, and long service life uses fuel wide; Support is welded into by shaped steel, and four tires 11 are housed, and traction drawbar 21 is equipped with in the front, diverts from one use to another four spike adjustable-heights, supporting dryer during in order to work for haul and short distance; Various sensors and electrical control part mainly contain main motor, cooking stove blower fan, hygrosensor, grain moisture sensor and control flow are formed, the intake in the air port 22 of hygrosensor control hot-blast stove 2, the temperature of control hot-blast stove 2, thereby the working condition of control rotary drying case 3.

Claims

1, a kind of moveable grain rotary drying machine, it is characterized in that: be provided with hot-blast stove (2) in support (1) bottom, be provided with rotary drying case (3) and transmission device (4) thereof on support (1) top, described rotary drying case (3) barrel evenly has some apertures (5), and is provided with temperature humidity inductor (6); Between described rotary drying case (3) and described hot-blast stove (2), be provided with heat exchanger (7), and described heat exchanger (7) is provided with air channel inlet (8) and leads to the air outlet (9) of described rotary drying case (3), and the air outlet (9) in described heat exchanger (7) is provided with temperature inductor (10).

2, a kind of moveable grain rotary drying machine according to claim 1 is characterized in that: be provided with wheel (11) on described support (1).

3, a kind of moveable grain rotary drying machine according to claim 1 and 2 is characterized in that: air outlet (9) level of described heat exchanger (7) is led to described rotary drying case (3).

4, a kind of moveable grain rotary drying machine according to claim 1 and 2, it is characterized in that: be provided with primary blades (12) and back blades (13) at described rotary drying case (3) inwall, and primary blades (12) is at 45 with rotary drying case (3) axis, and back blades (12) becomes 40 ° with rotary drying case (3) axis.

5, a kind of moveable grain rotary drying machine according to claim 1 and 2 is characterized in that: be provided with a pair of tablet (15) that goes out at described rotary drying case (3) discharging opening (14) one ends.